More cards in this set

When do the light rays and infrared ray change direction?

What is total internal reflection?

What happens to light rays that hit the surface beyond the critical angle?

What is the critical angle for glass?

What is an optic fibre?

How much light is absorbed by an optic fibre?

What does light going in an optic fibre undergo?

Name two information signals.

What can information signals be converted into?

What can electrical signals be carried through or transmitted as?